Tropaeolum majus L.

Nasturtium

Sp. Pl. 345 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Trailing or climbing annual with stems to c. 2 m long or more. Leaves peltate; petioles to 20 cm long, attached slightly eccentrically; blades c. circular to reniform, 3–13 cm diam., with c. 9 main radiating veins, often waxy, sparsely glandular to pilose beneath; pedicels c. equal to petioles or slightly longer. Flowers yellow, orange or red, usually streaked darker internally; calyx 12–20 mm long (excluding spur), lobes free for c. 8–15 mm; spur narrowly conical, 18–35 mm long; petals obovate to c. orbicular, 12–25 mm diam., upper pair with claw glabrous, 2–6 mm long, lower 3 with claw bearded, 5–10 mm long; stamens about as long as claws of lower 3 petals; style shorter than stamens. Mericarps c. semicircular, 7–10 mm long, ribbed dorsally, slightly fleshy. Flowers Sep.–Jan.

*EGL, *GipP, *HSF, *OtP, *OtR, *VVP, *WaP. Also naturalised SA, NSW. Native from Colombia to Bolivia. Widely grown as an ornamental. Weakly naturalised in sandy soils in a few lowland sites, mostly near the coast (e.g. Port Campbell, Clayton, Mornington Peninsula, Marlo).

Source: Walsh, N.G. (1999). Tropaeolaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-05-30
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Brassicales
family Tropaeolaceae
genus Tropaeolum
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Tropaeolum majus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Tropaeolum majus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Warrnambool Plain present naturalised
East Gippsland Lowlands present naturalised
Highlands-Southern Fall present naturalised
Otway Ranges present naturalised

State distribution

Distribution map
State
Western Australia
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania